28005789

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{2521}}^1$

素因数の和:2577

約数の個数: 24

約数和(自身を含む): 44629312

約数和(自身を除く): 16623523

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1587, 2521, 3703, 7563, 11109, 17647, 52941, 57983, 173949, 405881, 1217643, 1333609, 4000827, 9335263, 28005789]

約数ペア:

[(1, 28005789), (3, 9335263), (7, 4000827), (21, 1333609), (23, 1217643), (69, 405881), (161, 173949), (483, 57983), (529, 52941), (1587, 17647), (2521, 11109), (3703, 7563)]